Automotive valve market can be divided into OE (original equipment) market and aftermarket. According to statistics released by China Association of Automobile Manufactures, in 2013, the output and sales of China's automobile have amounted to 22.1168 million sets and 21.9841 million sets respectively, and the vehicle ownership in whole China in this year has reached 137 million sets for every thousand people, creating huge development space for both automotive valve OE market and aftermarket.